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Çѱ¹»ý¹°È¯°æÁ¶ÀýÇÐȸ / v.5, no.2, 1996³â, pp.160-166
±â·ù¼Óµµ°¡ Àΰø±¤ÇÏ¿¡¼­ °øÁ¤À°¹¦ °³Ã¼±ºÀÇ ¹Ì±â»ó¿¡ ¹ÌÄ¡´Â ¿µÇâ
( Effects of Air Current Speed on the Microclimates of the Plug Stand under Artificial Light )
±è¿ëÇö;°íÀçdz¼ö; ÀüºÏ´ëÇб³ ³ó°ú´ëÇÐ ³ó¾÷±â°è°øÇаú;õ¿±´ëÇÐ ¿ø¿¹ÇкΠ»ý¹°»ý»ê°úÇаú ȯ°æÁ¶Àý°øÇבּ¸¼Ò;
 
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±èµî°ú KimµîÀÌ Àç¹ßÇÑ °øÁ¤¹¦ »ý»ê¿ë dzµ¿À» »ç¿ëÇÏ¿©, Àΰø±¤ÇÏÀÇ ¹¦°³Ã¼±º³»¿Ü¿¡¼­ ±â¿Â, »ó´ë½Àµµ ¹× Æ÷Â÷(vapour pressure deficit) µîÀÇ ¹Ì±â»ó Ư¼º¿¡ ¹ÌÄ¡´Â ±â·ù¼ÓµµÀÇ È¿°ú¸¦ ºÐ¼®ÇÏ¿´´Ù. ±â¿ÂÂ÷ÀÇ ÃÖ°íÄ¡°¡ ÃÊÀå ±Ùó¿¡¼­ ³ªÅ¸³µÀ¸¸ç, ÀÌ·¯ÇÑ °á°ú´Â °øÁ¤¹¦ÀÇ »ýÀ°ÀÌ ÁøÇàµÉ¼ö·Ï ´õ¿í ºÐ¸íÇÏ°Ô ³ªÅ¸³µ´Ù. ¹¦°³Ã¼±º ³»ºÎ¿¡¼­´Â ¹èÁö ¶Ç´Â ¿±À¸·ÎºÎÅÍÀÇ Áõ¹ß»êÀ¸·Î ÀÎÇÏ¿© °³Ã¼±º ¿ÜºÎ¿¡¼­ÀÇ ±â¿Â¿¡ ºñÇØ¼­ 0.7-l.4$^{circ}C$ Á¤µµ ³·°Ô ³ªÅ¸³µ´Âµ¥, ±â·ù¼Óµµ°¡ ³·À»¼ö·Ï ±â¿ÂÂ÷°¡ ³ô°Ô ³ªÅ¸³µ´Ù. ¹¦°³Ã¼±º ³»ºÎÀÇ »ó´ë½Àµµ ºÐÆ÷¿¡ ¹ÌÄ¡´Â ±â·ù¼ÓµµÀÇ ¿µÇâÀÌ ¸Å¿ì Å« °ÍÀ¸·Î ³ªÅ¸³µ´Ù. ±â·ù¼Óµµ°¡ Áõ°¡ÇÒ¼ö·Ï ¹¦°³Ã¼±º ³»¿Ü¿¡¼­ÀÇ »ó´ë½ÀµµÂ÷´Â ÀÛ°Ô ³ªÅ¸³µ´Âµ¥, À̰ÍÀº ±â·ù¼ÓµµÀÇ Áõ°¡¿¡ µû¶ó ¿±¿¡¼­ÀÇ water potentialÀÌ °¨¼ÒµÇ¾ú±â ¶§¹®ÀÎ °ÍÀ¸·Î ÆÇ´ÜµÈ´Ù. ¹èÁöÇ¥¸éÀ¸·ÎºÎÅÍÀÇ ³ôÀ̰¡ Áõ°¡ÇÔ¿¡ µû¶ó Æ÷Â÷°¡ Áõ°¡ÇÏ¿´´Ù. ÀÌ¿Í °°Àº °á°ú´Â ¼öÁõ±â À¯¼ÓÀÇ È帧ÀÌ »ó¹æÇâÀ¸·Î ÀÌ·ç¾îÁüÀ» ÀǹÌÇÏ´Â °ÍÀÌ´Ù. »ýÀ°´Ü°è¿¡ µû¸¥ Æ÷Â÷ÀÇ º¯È­´Â ¿±¸éÀû Áö¼ö°¡ Ŭ¼ö·Ï ¼öÁ÷¹æÇâÀ¸·ÎÀÇ ±â¿ï±â°¡ Å©°Ô ³ªÅ¸³µ´Ù. ÇÑÆí, Èĺο¡¼­ÀÇ »ó´ë½Àµµ ¹× Æ÷Â÷´Â Á߾Ӻο¡¼­ º¸´Ù ¾à°£ ³·°Ô ³ªÅ¸³µ´Ù. ±â·ù¼Óµµ¿¡ µû¶ó ¹¦°³Ã¼±ºÀÇ ¼öÁ÷¹æÇâ ¹× ±â·ùÁøÇà¹æÇâÀ¸·Î ±â¿Â, »ó´ë½Àµµ ¹× Æ÷Â÷ÀÇ ±â¿ï±â°¡ Å©°Ô ³ªÅ¸³µ´Âµ¥, ÀÌ·¯ÇÑ ¹Ì±â»ó ¿ä¼ÒÀÇ ±â¿ï±â´Â ¹¦°³Ã¼±ºÀÇ ºÒ±ÕÀÏ »ýÀåÀ» ÃÊ·¡ÇÒ ¼ö ÀÖ´Ù.
Objective of this study was to investigate the effects of all current speed on the microclimates above and inside the plug stand under artificial light. Maximum air temperature appeared near the top of the plug stand. Difference in air temperature inside the plug stand increased with the decreasing air current speed. Difference in relative humidity(DRH) to the relative humidity at the Inlet of the main air flow conditioner Inside and above the plug stand decreased with the increasing air current speed. Relative humidity inside the plug stand was 10-15% higher than that above the plug stand. DRH inside a stand of plug at air current speed of 0.3m s$^{-1}$ was about two times as many as that at air current speed of 0.9 m s$^{-1}$ . DRH inside the plug stand was 2.8-6.5% higher at LAI of 2.6 than that at LAI of 0.5. Gradient for the vapour pressure deficit was distinctly appeared at the low air current speed. Direction of vapour pressure flux is from the medium surface upwards. Difference in vapour pressure(DVPD) to the vapour pressure deficit at the inlet of the main air flow conditioner inside and above the plug stand decreased with the increasing height above the medium surface. DVPD inside the plug stand was 0.3-0.4§æ higher at air current speed of 0.9m s$^{-1}$ than that at air current speed of 0.3m s$^{-1}$ . Results for the effects of air current speed on the relative humidity and vapour pressure deficit indicated that the microclimates above and inside the plug stand at the rear region in plug trays were slightly unfavorable compared to those at middle region.
 
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±â·ù¼Óµµ;¹Ì±â»ó ºÐÆ÷;°øÁ¤¹¦;Àΰø±¤;Æ÷Â÷;air current speed;microclimate profiles;plug seedlings;artificial light;vapour pressure deficit;
 
»ý¹°È¯°æÁ¶ÀýÇÐȸÁö / v.5, no.2, 1996³â, pp.160-166
Çѱ¹»ý¹°È¯°æÁ¶ÀýÇÐȸ
ISSN : 1229-4675
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199611922405029)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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